| 1 | /** |
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| 2 | * |
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| 3 | */ |
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| 4 | package de.mpiwg.itgroup.annotations.restlet.annotations_ui; |
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| 5 | |
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| 6 | import java.util.List; |
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| 7 | |
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| 8 | import org.restlet.data.Form; |
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| 9 | import org.restlet.data.MediaType; |
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| 10 | import org.restlet.data.Reference; |
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| 11 | import org.restlet.data.Status; |
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| 12 | import org.restlet.representation.Representation; |
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| 13 | import org.restlet.representation.StringRepresentation; |
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| 14 | import org.restlet.resource.Get; |
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| 15 | import org.restlet.resource.Post; |
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| 16 | |
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| 17 | import de.mpiwg.itgroup.annotations.Actor; |
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| 18 | import de.mpiwg.itgroup.annotations.Person; |
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| 19 | import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore.NodeTypes; |
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| 20 | |
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| 21 | /** |
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| 22 | * Resource class for the members of an annotation group. |
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| 23 | * |
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| 24 | * @author casties |
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| 25 | * |
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| 26 | */ |
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| 27 | public class GroupMembersResource extends GroupResource { |
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| 28 | |
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| 29 | /** |
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| 30 | * GET with HTML content type. Shows the members of the group. |
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| 31 | * |
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| 32 | * @param entity |
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| 33 | * @return |
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| 34 | */ |
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| 35 | @Get("html") |
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| 36 | public Representation doGetHTML(Representation entity) { |
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| 37 | // id from URI /annotations/groups/{id}/members |
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| 38 | if (requestId == null || requestId.isEmpty()) { |
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| 39 | // invalid id |
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| 40 | setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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| 41 | return null; |
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| 42 | } |
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| 43 | String result = null; |
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| 44 | Reference thisUrl = this.getReference(); |
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| 45 | Reference groupsUrl = thisUrl.getParentRef(); |
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| 46 | result = "<html><body>\n<h1>Group members</h1>\n"; |
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| 47 | result += String.format("<p>Group: %s <a href=\"%s\">(%s)</a></p>\n", group.getName(), groupsUrl, group.getId()); |
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| 48 | result += "<p>Members:</p>\n"; |
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| 49 | result += "<table>"; |
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| 50 | List<Person> members = store.getMembersOfGroup(group); |
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| 51 | for (Person p : members) { |
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| 52 | result += String.format("<tr><td>%s</td><td>(%s)</td>", p.getName(), p.getIdString()); |
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| 53 | //result += String.format("<td></td></tr>\n", p.getName(), p.getIdString()); |
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| 54 | } |
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| 55 | result += "</table>\n"; |
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| 56 | result += String.format("<form method=\"post\" action=\"%s\">\n", thisUrl); |
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| 57 | result += "<p>Add new member: <select name=\"add_member\">\n"; |
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| 58 | for (Actor p : store.getActors("uri", "*", NodeTypes.PERSON)) { |
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| 59 | result += String.format("<option value=\"%s\">%s</option>\n", p.getIdString(), p.getName()); |
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| 60 | } |
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| 61 | result += "</select>\n"; |
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| 62 | result += "<input type=\"submit\"/>\n"; |
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| 63 | result += "</form>\n"; |
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| 64 | result += "</body>\n</html>"; |
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| 65 | |
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| 66 | return new StringRepresentation(result, MediaType.TEXT_HTML); |
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| 67 | } |
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| 68 | |
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| 69 | /** |
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| 70 | * POST adds or deletes members of the Group. |
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| 71 | * |
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| 72 | * @return |
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| 73 | */ |
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| 74 | @Post |
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| 75 | public Representation doPost(Representation entity) { |
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| 76 | logger.debug("GroupMembersResource doPost!"); |
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| 77 | // TODO: do authentication |
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| 78 | Form form = new Form(entity); |
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| 79 | String addMemberId = form.getFirstValue("add_member"); |
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| 80 | String delMemberId = form.getFirstValue("del_member"); |
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| 81 | if (group == null || ((addMemberId == null || addMemberId.isEmpty()) |
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| 82 | && (delMemberId == null || delMemberId.isEmpty()))) { |
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| 83 | // no id |
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| 84 | setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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| 85 | return null; |
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| 86 | } |
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| 87 | |
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| 88 | // return 303: see other |
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| 89 | setStatus(Status.REDIRECTION_SEE_OTHER); |
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| 90 | // go get same URL |
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| 91 | Reference thisUrl = this.getReference(); |
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| 92 | this.getResponse().setLocationRef(thisUrl); |
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| 93 | return null; |
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| 94 | } |
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| 95 | |
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| 96 | } |
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